When it comes to email security, are you only looking at one side of the coin?

Posted: 21st May 2026

For years, email security has been treated as a front door problem. The focus has been clear: stop malicious emails getting in, block phishing, filter spam, and prevent users from ever interacting with harmful content. It’s a logical approach, especially when you consider that over 90% of cyberattacks still begin with an email. 

However, a quieter and equally significant risk has been growing in parallel. The question is no longer just how we secure inbound email, but whether we are thinking about email security as a complete system at all. Because what leaves the organisation can be just as impactful as what comes in. 

At Gradian the message we have a clear message we keep coming back to: inbound and outbound threats are two sides of the same coin.

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